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- #include <u.h>
- #include <libc.h>
- #include <bio.h>
- #include "scsireq.h"
- #define MIN(a, b) ((a) < (b) ? (a): (b))
- Biobuf bin, bout;
- static char rwbuf[MaxIOsize];
- static int verbose = 1;
- long maxiosize = MaxIOsize;
- typedef struct {
- char *name;
- long (*f)(ScsiReq *, int, char *[]);
- int open;
- char *help;
- } ScsiCmd;
- static ScsiCmd scsicmd[];
- static long
- cmdready(ScsiReq *rp, int argc, char *argv[])
- {
- USED(argc, argv);
- return SRready(rp);
- }
- static long
- cmdrewind(ScsiReq *rp, int argc, char *argv[])
- {
- USED(argc, argv);
- return SRrewind(rp);
- }
- static long
- cmdreqsense(ScsiReq *rp, int argc, char *argv[])
- {
- long nbytes;
- USED(argc, argv);
- if((nbytes = SRreqsense(rp)) != -1)
- makesense(rp);
- return nbytes;
- }
- static long
- cmdformat(ScsiReq *rp, int argc, char *argv[])
- {
- USED(argc, argv);
- return SRformat(rp);
- }
- static long
- cmdrblimits(ScsiReq *rp, int argc, char *argv[])
- {
- uchar l[6];
- long n;
- USED(argc, argv);
- if((n = SRrblimits(rp, l)) == -1)
- return -1;
- Bprint(&bout, " %2.2uX %2.2uX %2.2uX %2.2uX %2.2uX %2.2uX\n",
- l[0], l[1], l[2], l[3], l[4], l[5]);
- return n;
- }
- static int
- mkfile(char *file, int omode, int *pid)
- {
- int fd[2];
- if(*file != '|'){
- *pid = -1;
- if(omode == OWRITE)
- return create(file, OWRITE, 0666);
- else if(omode == OREAD)
- return open(file, OREAD);
- return -1;
- }
- file++;
- if(*file == 0 || pipe(fd) == -1)
- return -1;
- if((*pid = fork()) == -1){
- close(fd[0]);
- close(fd[1]);
- return -1;
- }
- if(*pid == 0){
- switch(omode){
- case OREAD:
- dup(fd[0], 1);
- break;
- case OWRITE:
- dup(fd[0], 0);
- break;
- }
- close(fd[0]);
- close(fd[1]);
- execl("/bin/rc", "rc", "-c", file, nil);
- exits("exec");
- }
- close(fd[0]);
- return fd[1];
- }
- int
- waitfor(int pid)
- {
- int msg;
- Waitmsg *w;
- while((w = wait()) != nil){
- if(w->pid != pid){
- free(w);
- continue;
- }
- msg = (w->msg[0] != '\0');
- free(w);
- return msg;
- }
- return -1;
- }
- static long
- cmdread(ScsiReq *rp, int argc, char *argv[])
- {
- long n, iosize;
- vlong nbytes, total;
- int fd, pid;
- char *p;
- iosize = maxiosize;
- nbytes = 0x7FFFFFFFFFFFULL & ~iosize;
- switch(argc){
- default:
- rp->status = Status_BADARG;
- return -1;
- case 2:
- nbytes = strtoll(argv[1], &p, 0);
- if(nbytes == 0 && p == argv[1]){
- rp->status = Status_BADARG;
- return -1;
- }
- /*FALLTHROUGH*/
- case 1:
- if((fd = mkfile(argv[0], OWRITE, &pid)) == -1){
- rp->status = Status_BADARG;
- return -1;
- }
- break;
- }
- print("bsize=%lud\n", rp->lbsize);
- total = 0;
- while(nbytes){
- n = iosize;
- if(n > nbytes)
- n = nbytes;
- if((n = SRread(rp, rwbuf, n)) <= 0){
- if(total == 0)
- total = -1;
- break;
- }
- if(write(fd, rwbuf, n) != n){
- if(total == 0)
- total = -1;
- if(rp->status == STok)
- rp->status = Status_SW;
- break;
- }
- nbytes -= n;
- total += n;
- }
- close(fd);
- if(pid >= 0 && waitfor(pid)){
- rp->status = Status_SW;
- return -1;
- }
- return total;
- }
- static long
- cmdwrite(ScsiReq *rp, int argc, char *argv[])
- {
- long n;
- vlong nbytes, total;
- int fd, pid;
- char *p;
- nbytes = 0x7FFFFFFF & ~maxiosize;
- switch(argc){
- default:
- rp->status = Status_BADARG;
- return -1;
- case 2:
- nbytes = strtoll(argv[1], &p, 0);
- if(nbytes == 0 && p == argv[1]){
- rp->status = Status_BADARG;
- return -1;
- }
- /*FALLTHROUGH*/
- case 1:
- if((fd = mkfile(argv[0], OREAD, &pid)) == -1){
- rp->status = Status_BADARG;
- return -1;
- }
- break;
- }
- total = 0;
- while(nbytes){
- n = maxiosize;
- if(n > nbytes)
- n = nbytes;
- if((n = readn(fd, rwbuf, n)) <= 0){
- if(total == 0)
- total = -1;
- break;
- }
- if(SRwrite(rp, rwbuf, n) != n){
- if(total == 0)
- total = -1;
- if(rp->status == STok)
- rp->status = Status_SW;
- break;
- }
- nbytes -= n;
- total += n;
- }
- close(fd);
- if(pid >= 0 && waitfor(pid)){
- rp->status = Status_SW;
- return -1;
- }
- return total;
- }
- static long
- cmdseek(ScsiReq *rp, int argc, char *argv[])
- {
- char *p;
- long offset;
- int type;
- type = 0;
- switch(argc){
- default:
- rp->status = Status_BADARG;
- return -1;
- case 2:
- if((type = strtol(argv[1], &p, 0)) == 0 && p == argv[1]){
- rp->status = Status_BADARG;
- return -1;
- }
- /*FALLTHROUGH*/
- case 1:
- if((offset = strtol(argv[0], &p, 0)) == 0 && p == argv[0]){
- rp->status = Status_BADARG;
- return -1;
- }
- break;
- }
- return SRseek(rp, offset, type);
- }
- static long
- cmdfilemark(ScsiReq *rp, int argc, char *argv[])
- {
- char *p;
- ulong howmany;
- howmany = 1;
- if(argc && (howmany = strtoul(argv[0], &p, 0)) == 0 && p == argv[0]){
- rp->status = Status_BADARG;
- return -1;
- }
- return SRfilemark(rp, howmany);
- }
- static long
- cmdspace(ScsiReq *rp, int argc, char *argv[])
- {
- uchar code;
- long howmany;
- char option, *p;
- code = 0x00;
- howmany = 1;
- while(argc && (*argv)[0] == '-'){
- while(option = *++argv[0]){
- switch(option){
- case '-':
- break;
- case 'b':
- code = 0x00;
- break;
- case 'f':
- code = 0x01;
- break;
- default:
- rp->status = Status_BADARG;
- return -1;
- }
- break;
- }
- argc--; argv++;
- if(option == '-')
- break;
- }
- if(argc && ((howmany = strtol(argv[0], &p, 0)) == 0 && p == argv[0])){
- rp->status = Status_BADARG;
- return -1;
- }
- return SRspace(rp, code, howmany);
- }
- static long
- cmdinquiry(ScsiReq *rp, int argc, char *argv[])
- {
- long status;
- int i, n;
- uchar *p;
- USED(argc, argv);
- if((status = SRinquiry(rp)) != -1){
- n = rp->inquiry[4]+4;
- for(i = 0; i < MIN(8, n); i++)
- Bprint(&bout, " %2.2uX", rp->inquiry[i]);
- p = &rp->inquiry[8];
- n = MIN(n, sizeof(rp->inquiry)-8);
- while(n && (*p == ' ' || *p == '\t' || *p == '\n')){
- n--;
- p++;
- }
- Bprint(&bout, "\t%.*s\n", n, (char*)p);
- }
- return status;
- }
- static long
- cmdmodeselect6(ScsiReq *rp, int argc, char *argv[])
- {
- uchar list[MaxDirData];
- long nbytes, ul;
- char *p;
- memset(list, 0, sizeof(list));
- for(nbytes = 0; argc; argc--, argv++, nbytes++){
- if((ul = strtoul(argv[0], &p, 0)) == 0 && p == argv[0]){
- rp->status = Status_BADARG;
- return -1;
- }
- list[nbytes] = ul;
- }
- if(!(rp->flags & Finqok) && SRinquiry(rp) == -1)
- Bprint(&bout, "warning: couldn't determine whether SCSI-1/SCSI-2 mode");
- return SRmodeselect6(rp, list, nbytes);
- }
- static long
- cmdmodeselect10(ScsiReq *rp, int argc, char *argv[])
- {
- uchar list[MaxDirData];
- long nbytes, ul;
- char *p;
- memset(list, 0, sizeof(list));
- for(nbytes = 0; argc; argc--, argv++, nbytes++){
- if((ul = strtoul(argv[0], &p, 0)) == 0 && p == argv[0]){
- rp->status = Status_BADARG;
- return -1;
- }
- list[nbytes] = ul;
- }
- if(!(rp->flags & Finqok) && SRinquiry(rp) == -1)
- Bprint(&bout, "warning: couldn't determine whether SCSI-1/SCSI-2 mode");
- return SRmodeselect10(rp, list, nbytes);
- }
- static long
- cmdmodesense6(ScsiReq *rp, int argc, char *argv[])
- {
- uchar list[MaxDirData], *lp, page;
- long i, n, nbytes, status;
- char *p;
- nbytes = sizeof(list);
- switch(argc){
- default:
- rp->status = Status_BADARG;
- return -1;
- case 2:
- if((nbytes = strtoul(argv[1], &p, 0)) == 0 && p == argv[1]){
- rp->status = Status_BADARG;
- return -1;
- }
- /*FALLTHROUGH*/
- case 1:
- if((page = strtoul(argv[0], &p, 0)) == 0 && p == argv[0]){
- rp->status = Status_BADARG;
- return -1;
- }
- break;
- case 0:
- page = 0x3F;
- break;
- }
- if((status = SRmodesense6(rp, page, list, nbytes)) == -1)
- return -1;
- lp = list;
- nbytes = list[0];
- Bprint(&bout, " Header\n ");
- for(i = 0; i < 4; i++){ /* header */
- Bprint(&bout, " %2.2uX", *lp);
- lp++;
- }
- Bputc(&bout, '\n');
- if(list[3]){ /* block descriptors */
- for(n = 0; n < list[3]/8; n++){
- Bprint(&bout, " Block %ld\n ", n);
- for(i = 0; i < 8; i++)
- Bprint(&bout, " %2.2uX", lp[i]);
- Bprint(&bout, " (density %2.2uX", lp[0]);
- Bprint(&bout, " blocks %d", (lp[1]<<16)|(lp[2]<<8)|lp[3]);
- Bprint(&bout, " length %d)", (lp[5]<<16)|(lp[6]<<8)|lp[7]);
- lp += 8;
- nbytes -= 8;
- Bputc(&bout, '\n');
- }
- }
- while(nbytes > 0){ /* pages */
- i = *(lp+1);
- nbytes -= i+2;
- Bprint(&bout, " Page %2.2uX %d\n ", *lp & 0x3F, *(lp+1));
- lp += 2;
- for(n = 0; n < i; n++){
- if(n && ((n & 0x0F) == 0))
- Bprint(&bout, "\n ");
- Bprint(&bout, " %2.2uX", *lp);
- lp++;
- }
- if(n && (n & 0x0F))
- Bputc(&bout, '\n');
- }
- return status;
- }
- static long
- cmdmodesense10(ScsiReq *rp, int argc, char *argv[])
- {
- uchar *list, *lp, page;
- long blen, i, n, nbytes, status;
- char *p;
- nbytes = MaxDirData;
- switch(argc){
- default:
- rp->status = Status_BADARG;
- return -1;
- case 2:
- if((nbytes = strtoul(argv[1], &p, 0)) == 0 && p == argv[1]){
- rp->status = Status_BADARG;
- return -1;
- }
- /*FALLTHROUGH*/
- case 1:
- if((page = strtoul(argv[0], &p, 0)) == 0 && p == argv[0]){
- rp->status = Status_BADARG;
- return -1;
- }
- break;
- case 0:
- page = 0x3F;
- break;
- }
- list = malloc(nbytes);
- if(list == 0){
- rp->status = STnomem;
- return -1;
- }
- if((status = SRmodesense10(rp, page, list, nbytes)) == -1)
- return -1;
- lp = list;
- nbytes = ((list[0]<<8)|list[1]);
- Bprint(&bout, " Header\n ");
- for(i = 0; i < 8; i++){ /* header */
- Bprint(&bout, " %2.2uX", *lp);
- lp++;
- }
- Bputc(&bout, '\n');
- blen = (list[6]<<8)|list[7];
- if(blen){ /* block descriptors */
- for(n = 0; n < blen/8; n++){
- Bprint(&bout, " Block %ld\n ", n);
- for(i = 0; i < 8; i++)
- Bprint(&bout, " %2.2uX", lp[i]);
- Bprint(&bout, " (density %2.2uX", lp[0]);
- Bprint(&bout, " blocks %d", (lp[1]<<16)|(lp[2]<<8)|lp[3]);
- Bprint(&bout, " length %d)", (lp[5]<<16)|(lp[6]<<8)|lp[7]);
- lp += 8;
- nbytes -= 8;
- Bputc(&bout, '\n');
- }
- }
- /*
- * Special for ATA drives, page 0 is the drive info in 16-bit
- * chunks, little-endian, 256 in total. No decoding for now.
- */
- if(page == 0){
- for(n = 0; n < nbytes; n += 2){
- if(n && ((n & 0x1F) == 0))
- Bprint(&bout, "\n");
- Bprint(&bout, " %4.4uX", (*(lp+1)<<8)|*lp);
- lp += 2;
- }
- Bputc(&bout, '\n');
- }
- else while(nbytes > 0){ /* pages */
- i = *(lp+1);
- nbytes -= i+2;
- Bprint(&bout, " Page %2.2uX %d\n ", *lp & 0x3F, *(lp+1));
- lp += 2;
- for(n = 0; n < i; n++){
- if(n && ((n & 0x0F) == 0))
- Bprint(&bout, "\n ");
- Bprint(&bout, " %2.2uX", *lp);
- lp++;
- }
- if(n && (n & 0x0F))
- Bputc(&bout, '\n');
- }
- free(list);
- return status;
- }
- static long
- start(ScsiReq *rp, int argc, char *argv[], uchar code)
- {
- char *p;
- if(argc && (code = strtoul(argv[0], &p, 0)) == 0 && p == argv[0]){
- rp->status = Status_BADARG;
- return -1;
- }
- return SRstart(rp, code);
- }
- static long
- cmdstart(ScsiReq *rp, int argc, char *argv[])
- {
- return start(rp, argc, argv, 1);
- }
- static long
- cmdstop(ScsiReq *rp, int argc, char *argv[])
- {
- return start(rp, argc, argv, 0);
- }
- static long
- cmdeject(ScsiReq *rp, int argc, char *argv[])
- {
- return start(rp, argc, argv, 2);
- }
- static long
- cmdingest(ScsiReq *rp, int argc, char *argv[])
- {
- return start(rp, argc, argv, 3);
- }
- static long
- cmdcapacity(ScsiReq *rp, int argc, char *argv[])
- {
- uchar d[8];
- long n;
- USED(argc, argv);
- if((n = SRrcapacity(rp, d)) == -1)
- return -1;
- Bprint(&bout, " %ud %ud\n",
- d[0]<<24|d[1]<<16|d[2]<<8|d[3],
- d[4]<<24|d[5]<<16|d[6]<<8|d[7]);
- return n;
- }
- static long
- cmdblank(ScsiReq *rp, int argc, char *argv[])
- {
- uchar type, track;
- char *sp;
- type = track = 0;
- switch(argc){
- default:
- rp->status = Status_BADARG;
- return -1;
- case 2:
- if((type = strtoul(argv[1], &sp, 0)) == 0 && sp == argv[1]){
- rp->status = Status_BADARG;
- return -1;
- }
- if(type < 0 || type > 6){
- rp->status = Status_BADARG;
- return -1;
- }
- /*FALLTHROUGH*/
- case 1:
- if((track = strtoul(argv[0], &sp, 0)) == 0 && sp == argv[0]){
- rp->status = Status_BADARG;
- return -1;
- }
- /*FALLTHROUGH*/
- case 0:
- break;
- }
- return SRblank(rp, type, track);
- }
- static long
- cmdsynccache(ScsiReq *rp, int argc, char *argv[])
- {
- USED(argc, argv);
- return SRsynccache(rp);
- }
- static long
- cmdrtoc(ScsiReq *rp, int argc, char *argv[])
- {
- uchar d[100*8+4], format, track, *p;
- char *sp;
- long n, nbytes;
- int tdl;
- format = track = 0;
- switch(argc){
- default:
- rp->status = Status_BADARG;
- return -1;
- case 2:
- if((format = strtoul(argv[1], &sp, 0)) == 0 && sp == argv[1]){
- rp->status = Status_BADARG;
- return -1;
- }
- if(format < 0 || format > 4){
- rp->status = Status_BADARG;
- return -1;
- }
- /*FALLTHROUGH*/
- case 1:
- if((track = strtoul(argv[0], &sp, 0)) == 0 && sp == argv[0]){
- rp->status = Status_BADARG;
- return -1;
- }
- /*FALLTHROUGH*/
- case 0:
- break;
- }
- if((nbytes = SRTOC(rp, d, sizeof(d), format, track)) == -1){
- if(rp->status == STok)
- Bprint(&bout, "\t(probably empty)\n");
- return -1;
- }
- tdl = (d[0]<<8)|d[1];
- switch(format){
- case 0:
- Bprint(&bout, "\ttoc/pma data length: 0x%uX\n", tdl);
- Bprint(&bout, "\tfirst track number: %d\n", d[2]);
- Bprint(&bout, "\tlast track number: %d\n", d[3]);
- for(p = &d[4], n = tdl-2; n; n -= 8, p += 8){
- Bprint(&bout, "\ttrack number: 0x%2.2uX\n", p[2]);
- Bprint(&bout, "\t\tcontrol: 0x%2.2uX\n", p[1] & 0x0F);
- Bprint(&bout, "\t\tblock address: 0x%uX\n",
- (p[4]<<24)|(p[5]<<16)|(p[6]<<8)|p[7]);
- }
- break;
- case 1:
- Bprint(&bout, "\tsessions data length: 0x%uX\n", tdl);
- Bprint(&bout, "\tnumber of finished sessions: %d\n", d[2]);
- Bprint(&bout, "\tunfinished session number: %d\n", d[3]);
- for(p = &d[4], n = tdl-2; n; n -= 8, p += 8){
- Bprint(&bout, "\tsession number: 0x%2.2uX\n", p[0]);
- Bprint(&bout, "\t\tfirst track number in session: 0x%2.2uX\n",
- p[2]);
- Bprint(&bout, "\t\tlogical start address: 0x%uX\n",
- (p[5]<<16)|(p[6]<<8)|p[7]);
- }
- break;
- case 2:
- Bprint(&bout, "\tfull TOC data length: 0x%uX\n", tdl);
- Bprint(&bout, "\tnumber of finished sessions: %d\n", d[2]);
- Bprint(&bout, "\tunfinished session number: %d\n", d[3]);
- for(p = &d[4], n = tdl-2; n > 0; n -= 11, p += 11){
- Bprint(&bout, "\tsession number: 0x%2.2uX\n", p[0]);
- Bprint(&bout, "\t\tcontrol: 0x%2.2uX\n", p[1] & 0x0F);
- Bprint(&bout, "\t\tADR: 0x%2.2uX\n", (p[1]>>4) & 0x0F);
- Bprint(&bout, "\t\tTNO: 0x%2.2uX\n", p[2]);
- Bprint(&bout, "\t\tPOINT: 0x%2.2uX\n", p[3]);
- Bprint(&bout, "\t\tMin: 0x%2.2uX\n", p[4]);
- Bprint(&bout, "\t\tSec: 0x%2.2uX\n", p[5]);
- Bprint(&bout, "\t\tFrame: 0x%2.2uX\n", p[6]);
- Bprint(&bout, "\t\tZero: 0x%2.2uX\n", p[7]);
- Bprint(&bout, "\t\tPMIN: 0x%2.2uX\n", p[8]);
- Bprint(&bout, "\t\tPSEC: 0x%2.2uX\n", p[9]);
- Bprint(&bout, "\t\tPFRAME: 0x%2.2uX\n", p[10]);
- }
- break;
- case 3:
- Bprint(&bout, "\tPMA data length: 0x%uX\n", tdl);
- for(p = &d[4], n = tdl-2; n > 0; n -= 11, p += 11){
- Bprint(&bout, "\t\tcontrol: 0x%2.2uX\n", p[1] & 0x0F);
- Bprint(&bout, "\t\tADR: 0x%2.2uX\n", (p[1]>>4) & 0x0F);
- Bprint(&bout, "\t\tTNO: 0x%2.2uX\n", p[2]);
- Bprint(&bout, "\t\tPOINT: 0x%2.2uX\n", p[3]);
- Bprint(&bout, "\t\tMin: 0x%2.2uX\n", p[4]);
- Bprint(&bout, "\t\tSec: 0x%2.2uX\n", p[5]);
- Bprint(&bout, "\t\tFrame: 0x%2.2uX\n", p[6]);
- Bprint(&bout, "\t\tZero: 0x%2.2uX\n", p[7]);
- Bprint(&bout, "\t\tPMIN: 0x%2.2uX\n", p[8]);
- Bprint(&bout, "\t\tPSEC: 0x%2.2uX\n", p[9]);
- Bprint(&bout, "\t\tPFRAME: 0x%2.2uX\n", p[10]);
- }
- break;
- case 4:
- Bprint(&bout, "\tATIP data length: 0x%uX\n", tdl);
- break;
- }
- for(n = 0; n < nbytes; n++){
- if(n && ((n & 0x0F) == 0))
- Bprint(&bout, "\n");
- Bprint(&bout, " %2.2uX", d[n]);
- }
- if(n && (n & 0x0F))
- Bputc(&bout, '\n');
- return nbytes;
- }
- static long
- cmdrdiscinfo(ScsiReq *rp, int argc, char*[])
- {
- uchar d[MaxDirData];
- int dl;
- long n, nbytes;
- switch(argc){
- default:
- rp->status = Status_BADARG;
- return -1;
- case 0:
- break;
- }
- if((nbytes = SRrdiscinfo(rp, d, sizeof(d))) == -1)
- return -1;
- dl = (d[0]<<8)|d[1];
- Bprint(&bout, "\tdata length: 0x%uX\n", dl);
- Bprint(&bout, "\tinfo[2] 0x%2.2uX\n", d[2]);
- switch(d[2] & 0x03){
- case 0:
- Bprint(&bout, "\t\tEmpty\n");
- break;
- case 1:
- Bprint(&bout, "\t\tIncomplete disc (Appendable)\n");
- break;
- case 2:
- Bprint(&bout, "\t\tComplete (CD-ROM or last session is closed and has no next session pointer)\n");
- break;
- case 3:
- Bprint(&bout, "\t\tReserved\n");
- break;
- }
- switch((d[2]>>2) & 0x03){
- case 0:
- Bprint(&bout, "\t\tEmpty Session\n");
- break;
- case 1:
- Bprint(&bout, "\t\tIncomplete Session\n");
- break;
- case 2:
- Bprint(&bout, "\t\tReserved\n");
- break;
- case 3:
- Bprint(&bout, "\t\tComplete Session (only possible when disc Status is Complete)\n");
- break;
- }
- if(d[2] & 0x10)
- Bprint(&bout, "\t\tErasable\n");
- Bprint(&bout, "\tNumber of First Track on Disc %ud\n", d[3]);
- Bprint(&bout, "\tNumber of Sessions %ud\n", d[4]);
- Bprint(&bout, "\tFirst Track Number in Last Session %ud\n", d[5]);
- Bprint(&bout, "\tLast Track Number in Last Session %ud\n", d[6]);
- Bprint(&bout, "\tinfo[7] 0x%2.2uX\n", d[7]);
- if(d[7] & 0x20)
- Bprint(&bout, "\t\tUnrestricted Use Disc\n");
- if(d[7] & 0x40)
- Bprint(&bout, "\t\tDisc Bar Code Valid\n");
- if(d[7] & 0x80)
- Bprint(&bout, "\t\tDisc ID Valid\n");
- Bprint(&bout, "\tinfo[8] 0x%2.2uX\n", d[8]);
- switch(d[8]){
- case 0x00:
- Bprint(&bout, "\t\tCD-DA or CD-ROM Disc\n");
- break;
- case 0x10:
- Bprint(&bout, "\t\tCD-I Disc\n");
- break;
- case 0x20:
- Bprint(&bout, "\t\tCD-ROM XA Disc\n");
- break;
- case 0xFF:
- Bprint(&bout, "\t\tUndefined\n");
- break;
- default:
- Bprint(&bout, "\t\tReserved\n");
- break;
- }
- Bprint(&bout, "\tLast Session lead-in Start Time M/S/F: 0x%2.2uX/0x%2.2uX/0x%2.2uX\n",
- d[17], d[18], d[19]);
- Bprint(&bout, "\tLast Possible Start Time for Start of lead-out M/S/F: 0x%2.2uX/0x%2.2uX/0x%2.2uX\n",
- d[21], d[22], d[23]);
- for(n = 0; n < nbytes; n++){
- if(n && ((n & 0x0F) == 0))
- Bprint(&bout, "\n");
- Bprint(&bout, " %2.2uX", d[n]);
- }
- if(n && (n & 0x0F))
- Bputc(&bout, '\n');
- return nbytes;
- }
- static long
- cmdrtrackinfo(ScsiReq *rp, int argc, char *argv[])
- {
- uchar d[MaxDirData], track;
- char *sp;
- long n, nbytes;
- int dl;
- track = 0;
- switch(argc){
- default:
- rp->status = Status_BADARG;
- return -1;
- case 1:
- if((track = strtoul(argv[0], &sp, 0)) == 0 && sp == argv[0]){
- rp->status = Status_BADARG;
- return -1;
- }
- /*FALLTHROUGH*/
- case 0:
- break;
- }
- if((nbytes = SRrtrackinfo(rp, d, sizeof(d), track)) == -1)
- return -1;
- dl = (d[0]<<8)|d[1];
- Bprint(&bout, "\tdata length: 0x%uX\n", dl);
- Bprint(&bout, "\Track Number %d\n", d[2]);
- Bprint(&bout, "\Session Number %d\n", d[3]);
- Bprint(&bout, "\tinfo[4] 0x%2.2uX\n", d[5]);
- Bprint(&bout, "\t\tTrack Mode 0x%2.2uX: ", d[5] & 0x0F);
- switch(d[5] & 0x0F){
- case 0x00:
- case 0x02:
- Bprint(&bout, "2 audio channels without pre-emphasis\n");
- break;
- case 0x01:
- case 0x03:
- Bprint(&bout, "2 audio channels with pre-emphasis of 50/15µs\n");
- break;
- case 0x08:
- case 0x0A:
- Bprint(&bout, "audio channels without pre-emphasis (reserved in CD-R/RW)\n");
- break;
- case 0x09:
- case 0x0B:
- Bprint(&bout, "audio channels with pre-emphasis of 50/15µs (reserved in CD-R/RW)\n");
- break;
- case 0x04:
- case 0x06:
- Bprint(&bout, "Data track, recorded uninterrupted\n");
- break;
- case 0x05:
- case 0x07:
- Bprint(&bout, "Data track, recorded incremental\n");
- break;
- default:
- Bprint(&bout, "(mode unknown)\n");
- break;
- }
- if(d[5] & 0x10)
- Bprint(&bout, "\t\tCopy\n");
- if(d[5] & 0x20)
- Bprint(&bout, "\t\tDamage\n");
- Bprint(&bout, "\tinfo[6] 0x%2.2uX\n", d[6]);
- Bprint(&bout, "\t\tData Mode 0x%2.2uX: ", d[6] & 0x0F);
- switch(d[6] & 0x0F){
- case 0x01:
- Bprint(&bout, "Mode 1 (ISO/IEC 10149)\n");
- break;
- case 0x02:
- Bprint(&bout, "Mode 2 (ISO/IEC 10149 or CD-ROM XA)\n");
- break;
- case 0x0F:
- Bprint(&bout, "Data Block Type unknown (no track descriptor block)\n");
- break;
- default:
- Bprint(&bout, "(Reserved)\n");
- break;
- }
- if(d[6] & 0x10)
- Bprint(&bout, "\t\tFP\n");
- if(d[6] & 0x20)
- Bprint(&bout, "\t\tPacket\n");
- if(d[6] & 0x40)
- Bprint(&bout, "\t\tBlank\n");
- if(d[6] & 0x80)
- Bprint(&bout, "\t\tRT\n");
- Bprint(&bout, "\tTrack Start Address 0x%8.8uX\n",
- (d[8]<<24)|(d[9]<<16)|(d[10]<<8)|d[11]);
- if(d[7] & 0x01)
- Bprint(&bout, "\tNext Writeable Address 0x%8.8uX\n",
- (d[12]<<24)|(d[13]<<16)|(d[14]<<8)|d[15]);
- Bprint(&bout, "\tFree Blocks 0x%8.8uX\n",
- (d[16]<<24)|(d[17]<<16)|(d[18]<<8)|d[19]);
- if((d[6] & 0x30) == 0x30)
- Bprint(&bout, "\tFixed Packet Size 0x%8.8uX\n",
- (d[20]<<24)|(d[21]<<16)|(d[22]<<8)|d[23]);
- Bprint(&bout, "\tTrack Size 0x%8.8uX\n",
- (d[24]<<24)|(d[25]<<16)|(d[26]<<8)|d[27]);
- for(n = 0; n < nbytes; n++){
- if(n && ((n & 0x0F) == 0))
- Bprint(&bout, "\n");
- Bprint(&bout, " %2.2uX", d[n]);
- }
- if(n && (n & 0x0F))
- Bputc(&bout, '\n');
- return nbytes;
- }
- static long
- cmdcdpause(ScsiReq *rp, int argc, char *argv[])
- {
- USED(argc, argv);
- return SRcdpause(rp, 0);
- }
- static long
- cmdcdresume(ScsiReq *rp, int argc, char *argv[])
- {
- USED(argc, argv);
- return SRcdpause(rp, 1);
- }
- static long
- cmdcdstop(ScsiReq *rp, int argc, char *argv[])
- {
- USED(argc, argv);
- return SRcdstop(rp);
- }
- static long
- cmdcdplay(ScsiReq *rp, int argc, char *argv[])
- {
- long length, start;
- char *sp;
- int raw;
- raw = 0;
- start = 0;
- if(argc && strcmp("-r", argv[0]) == 0){
- raw = 1;
- argc--, argv++;
- }
- length = 0xFFFFFFFF;
- switch(argc){
- default:
- rp->status = Status_BADARG;
- return -1;
- case 2:
- if(!raw || ((length = strtol(argv[1], &sp, 0)) == 0 && sp == argv[1])){
- rp->status = Status_BADARG;
- return -1;
- }
- /*FALLTHROUGH*/
- case 1:
- if((start = strtol(argv[0], &sp, 0)) == 0 && sp == argv[0]){
- rp->status = Status_BADARG;
- return -1;
- }
- /*FALLTHROUGH*/
- case 0:
- break;
- }
- return SRcdplay(rp, raw, start, length);
- }
- static long
- cmdcdload(ScsiReq *rp, int argc, char *argv[])
- {
- char *p;
- ulong slot;
- slot = 0;
- if(argc && (slot = strtoul(argv[0], &p, 0)) == 0 && p == argv[0]){
- rp->status = Status_BADARG;
- return -1;
- }
- return SRcdload(rp, 1, slot);
- }
- static long
- cmdcdunload(ScsiReq *rp, int argc, char *argv[])
- {
- char *p;
- ulong slot;
- slot = 0;
- if(argc && (slot = strtoul(argv[0], &p, 0)) == 0 && p == argv[0]){
- rp->status = Status_BADARG;
- return -1;
- }
- return SRcdload(rp, 0, slot);
- }
- static long
- cmdcdstatus(ScsiReq *rp, int argc, char *argv[])
- {
- uchar *list, *lp;
- long nbytes, status;
- int i, slots;
- USED(argc, argv);
- nbytes = 4096;
- list = malloc(nbytes);
- if(list == 0){
- rp->status = STnomem;
- return -1;
- }
- status = SRcdstatus(rp, list, nbytes);
- if(status == -1){
- free(list);
- return -1;
- }
- lp = list;
- Bprint(&bout, " Header\n ");
- for(i = 0; i < 8; i++){ /* header */
- Bprint(&bout, " %2.2uX", *lp);
- lp++;
- }
- Bputc(&bout, '\n');
- slots = ((list[6]<<8)|list[7])/4;
- Bprint(&bout, " Slots\n ");
- while(slots--){
- Bprint(&bout, " %2.2uX %2.2uX %2.2uX %2.2uX\n ",
- *lp, *(lp+1), *(lp+2), *(lp+3));
- lp += 4;
- }
- free(list);
- return status;
- }
- static long
- cmdgetconf(ScsiReq *rp, int argc, char *argv[])
- {
- uchar *list;
- long nbytes, status;
- USED(argc, argv);
- nbytes = 4096;
- list = malloc(nbytes);
- if(list == 0){
- rp->status = STnomem;
- return -1;
- }
- status = SRgetconf(rp, list, nbytes);
- if(status == -1){
- free(list);
- return -1;
- }
- /* to be done... */
- free(list);
- return status;
- }
- static long
- cmdfwaddr(ScsiReq *rp, int argc, char *argv[])
- {
- uchar d[MaxDirData], npa, track, mode;
- long n;
- char *p;
- npa = mode = track = 0;
- switch(argc){
- default:
- rp->status = Status_BADARG;
- return -1;
- case 3:
- if((npa = strtoul(argv[1], &p, 0)) == 0 && p == argv[1]){
- rp->status = Status_BADARG;
- return -1;
- }
- /*FALLTHROUGH*/
- case 2:
- if((mode = strtoul(argv[1], &p, 0)) == 0 && p == argv[1]){
- rp->status = Status_BADARG;
- return -1;
- }
- /*FALLTHROUGH*/
- case 1:
- if((track = strtoul(argv[0], &p, 0)) == 0 && p == argv[0]){
- rp->status = Status_BADARG;
- return -1;
- }
- break;
- case 0:
- break;
- }
- if((n = SRfwaddr(rp, track, mode, npa, d)) == -1)
- return -1;
- Bprint(&bout, "%ud %ud\n", d[0], (d[1]<<24)|(d[2]<<16)|(d[3]<<8)|d[4]);
- return n;
- }
- static long
- cmdtreserve(ScsiReq *rp, int argc, char *argv[])
- {
- long nbytes;
- char *p;
- if(argc != 1 || ((nbytes = strtoul(argv[0], &p, 0)) == 0 && p == argv[0])){
- rp->status = Status_BADARG;
- return -1;
- }
- return SRtreserve(rp, nbytes);
- }
- static long
- cmdtrackinfo(ScsiReq *rp, int argc, char *argv[])
- {
- uchar d[MaxDirData], track;
- long n;
- ulong ul;
- char *p;
- track = 0;
- if(argc && (track = strtoul(argv[0], &p, 0)) == 0 && p == argv[0]){
- rp->status = Status_BADARG;
- return -1;
- }
- if((n = SRtinfo(rp, track, d)) == -1)
- return -1;
- Bprint(&bout, "buffer length: 0x%uX\n", d[0]);
- Bprint(&bout, "number of tracks: 0x%uX\n", d[1]);
- ul = (d[2]<<24)|(d[3]<<16)|(d[4]<<8)|d[5];
- Bprint(&bout, "start address: 0x%luX\n", ul);
- ul = (d[6]<<24)|(d[7]<<16)|(d[8]<<8)|d[9];
- Bprint(&bout, "track length: 0x%luX\n", ul);
- Bprint(&bout, "track mode: 0x%uX\n", d[0x0A] & 0x0F);
- Bprint(&bout, "track status: 0x%uX\n", (d[0x0A]>>4) & 0x0F);
- Bprint(&bout, "data mode: 0x%uX\n", d[0x0B] & 0x0F);
- ul = (d[0x0C]<<24)|(d[0x0D]<<16)|(d[0x0E]<<8)|d[0x0F];
- Bprint(&bout, "free blocks: 0x%luX\n", ul);
- return n;
- }
- static long
- cmdwtrack(ScsiReq *rp, int argc, char *argv[])
- {
- uchar mode, track;
- long n, nbytes, total, x;
- int fd, pid;
- char *p;
- mode = track = 0;
- nbytes = 0;
- switch(argc){
- default:
- rp->status = Status_BADARG;
- return -1;
- case 4:
- if((mode = strtoul(argv[3], &p, 0)) == 0 && p == argv[3]){
- rp->status = Status_BADARG;
- return -1;
- }
- /*FALLTHROUGH*/
- case 3:
- if((track = strtoul(argv[2], &p, 0)) == 0 && p == argv[2]){
- rp->status = Status_BADARG;
- return -1;
- }
- /*FALLTHROUGH*/
- case 2:
- if((nbytes = strtoul(argv[1], &p, 0)) == 0 && p == argv[1]){
- rp->status = Status_BADARG;
- return -1;
- }
- /*FALLTHROUGH*/
- case 1:
- if((fd = mkfile(argv[0], OREAD, &pid)) == -1){
- rp->status = Status_BADARG;
- return -1;
- }
- break;
- }
- total = 0;
- n = MIN(nbytes, maxiosize);
- if((n = readn(fd, rwbuf, n)) == -1){
- fprint(2, "file read failed %r\n");
- close(fd);
- return -1;
- }
- if((x = SRwtrack(rp, rwbuf, n, track, mode)) != n){
- fprint(2, "wtrack: write incomplete: asked %ld, did %ld\n", n, x);
- if(rp->status == STok)
- rp->status = Status_SW;
- close(fd);
- return -1;
- }
- nbytes -= n;
- total += n;
- while(nbytes){
- n = MIN(nbytes, maxiosize);
- if((n = read(fd, rwbuf, n)) == -1){
- break;
- }
- if((x = SRwrite(rp, rwbuf, n)) != n){
- fprint(2, "write: write incomplete: asked %ld, did %ld\n", n, x);
- if(rp->status == STok)
- rp->status = Status_SW;
- break;
- }
- nbytes -= n;
- total += n;
- }
- close(fd);
- if(pid >= 0 && waitfor(pid)){
- rp->status = Status_SW;
- return -1;
- }
- return total;
- }
- static long
- cmdload(ScsiReq *rp, int argc, char *argv[])
- {
- USED(argc, argv);
- return SRmload(rp, 0);
- }
- static long
- cmdunload(ScsiReq *rp, int argc, char *argv[])
- {
- USED(argc, argv);
- return SRmload(rp, 1);
- }
- static long
- cmdfixation(ScsiReq *rp, int argc, char *argv[])
- {
- uchar type;
- char *p;
- type = 0;
- if(argc && (type = strtoul(argv[0], &p, 0)) == 0 && p == argv[0]){
- rp->status = Status_BADARG;
- return -1;
- }
- return SRfixation(rp, type);
- }
- static long
- cmdeinit(ScsiReq *rp, int argc, char *argv[])
- {
- USED(argc, argv);
- return SReinitialise(rp);
- }
- static long
- cmdmmove(ScsiReq *rp, int argc, char *argv[])
- {
- int transport, source, destination, invert;
- char *p;
- invert = 0;
- switch(argc){
- default:
- rp->status = Status_BADARG;
- return -1;
- case 4:
- if((invert = strtoul(argv[3], &p, 0)) == 0 && p == argv[3]){
- rp->status = Status_BADARG;
- return -1;
- }
- /*FALLTHROUGH*/
- case 3:
- if((transport = strtoul(argv[0], &p, 0)) == 0 && p == argv[0]){
- rp->status = Status_BADARG;
- return -1;
- }
- if((source = strtoul(argv[1], &p, 0)) == 0 && p == argv[1]){
- rp->status = Status_BADARG;
- return -1;
- }
- if((destination = strtoul(argv[2], &p, 0)) == 0 && p == argv[2]){
- rp->status = Status_BADARG;
- return -1;
- }
- break;
- }
- return SRmmove(rp, transport, source, destination, invert);
- }
- static long
- cmdestatus(ScsiReq *rp, int argc, char *argv[])
- {
- uchar *list, *lp, type;
- long d, i, n, nbytes, status;
- char *p;
- type = 0;
- nbytes = 4096;
- switch(argc){
- default:
- rp->status = Status_BADARG;
- return -1;
- case 2:
- if((nbytes = strtoul(argv[1], &p, 0)) == 0 && p == argv[1]){
- rp->status = Status_BADARG;
- return -1;
- }
- /*FALLTHROUGH*/
- case 1:
- if((type = strtoul(argv[0], &p, 0)) == 0 && p == argv[0]){
- rp->status = Status_BADARG;
- return -1;
- }
- break;
- case 0:
- break;
- }
- list = malloc(nbytes);
- if(list == 0){
- rp->status = STnomem;
- return -1;
- }
- status = SRestatus(rp, type, list, nbytes);
- if(status == -1){
- free(list);
- return -1;
- }
- lp = list;
- nbytes = ((lp[5]<<16)|(lp[6]<<8)|lp[7])-8;
- Bprint(&bout, " Header\n ");
- for(i = 0; i < 8; i++){ /* header */
- Bprint(&bout, " %2.2uX", *lp);
- lp++;
- }
- Bputc(&bout, '\n');
- while(nbytes > 0){ /* pages */
- i = ((lp[5]<<16)|(lp[6]<<8)|lp[7]);
- nbytes -= i+8;
- Bprint(&bout, " Type");
- for(n = 0; n < 8; n++) /* header */
- Bprint(&bout, " %2.2uX", lp[n]);
- Bprint(&bout, "\n ");
- d = (lp[2]<<8)|lp[3];
- lp += 8;
- for(n = 0; n < i; n++){
- if(n && (n % d) == 0)
- Bprint(&bout, "\n ");
- Bprint(&bout, " %2.2uX", *lp);
- lp++;
- }
- if(n && (n % d))
- Bputc(&bout, '\n');
- }
- free(list);
- return status;
- }
- static long
- cmdhelp(ScsiReq *rp, int argc, char *argv[])
- {
- ScsiCmd *cp;
- char *p;
- USED(rp);
- if(argc)
- p = argv[0];
- else
- p = 0;
- for(cp = scsicmd; cp->name; cp++){
- if(p == 0 || strcmp(p, cp->name) == 0)
- Bprint(&bout, "%s\n", cp->help);
- }
- return 0;
- }
- static int atatable[4] = {
- 'C', 'D', 'E', 'F',
- };
- static int scsitable[16] = {
- '0', '1', '2', '3', '4', '5', '6', '7',
- '8', '9', 'a', 'b', 'c', 'd', 'e', 'f',
- };
- static int unittable[16] = {
- '0', '1', '2', '3', '4', '5', '6', '7',
- '8', '9', 'a', 'b', 'c', 'd', 'e', 'f',
- };
- static long
- cmdprobe(ScsiReq *rp, int argc, char *argv[])
- {
- char buf[32];
- ScsiReq scsireq;
- char *ctlr, *unit;
-
- USED(argc, argv);
- rp->status = STok;
- scsireq.flags = 0;
- for(ctlr="CDEF0123456789abcdef"; *ctlr; ctlr++) {
- /*
- * I can guess how many units you have.
- */
- if(*ctlr >= 'C' && *ctlr <= 'F')
- unit = "01";
- else if((*ctlr >= '0' && *ctlr <= '9')
- || (*ctlr >= 'a' && *ctlr <= 'f'))
- unit = "0123456789abcdef";
- else
- unit = "012345678";
-
- for(; *unit; unit++){
- sprint(buf, "/dev/sd%c%c", *ctlr, *unit);
- if(SRopenraw(&scsireq, buf) == -1)
- /*
- return -1;
- */
- continue;
- SRreqsense(&scsireq);
- switch(scsireq.status){
-
- default:
- break;
-
- case STok:
- case Status_SD:
- Bprint(&bout, "%s: ", buf);
- cmdinquiry(&scsireq, 0, 0);
- break;
- }
- SRclose(&scsireq);
- }
- }
- return 0;
- }
- static long
- cmdclose(ScsiReq *rp, int argc, char *argv[])
- {
- USED(argc, argv);
- return SRclose(rp);
- }
- static long
- cmdopen(ScsiReq *rp, int argc, char *argv[])
- {
- int raw;
- long status;
- raw = 0;
- if(argc && strcmp("-r", argv[0]) == 0){
- raw = 1;
- argc--, argv++;
- }
- if(argc != 1){
- rp->status = Status_BADARG;
- return -1;
- }
- if(raw == 0){
- if((status = SRopen(rp, argv[0])) != -1 && verbose)
- Bprint(&bout, "%sblock size: %ld\n",
- rp->flags&Fbfixed? "fixed ": "", rp->lbsize);
- }
- else {
- status = SRopenraw(rp, argv[0]);
- rp->lbsize = 512;
- }
- return status;
- }
- static ScsiCmd scsicmd[] = {
- { "ready", cmdready, 1, /*[0x00]*/
- "ready",
- },
- { "rewind", cmdrewind, 1, /*[0x01]*/
- "rewind",
- },
- { "rezero", cmdrewind, 1, /*[0x01]*/
- "rezero",
- },
- { "reqsense", cmdreqsense, 1, /*[0x03]*/
- "reqsense",
- },
- { "format", cmdformat, 0, /*[0x04]*/
- "format",
- },
- { "rblimits", cmdrblimits, 1, /*[0x05]*/
- "rblimits",
- },
- { "read", cmdread, 1, /*[0x08]*/
- "read [|]file [nbytes]",
- },
- { "write", cmdwrite, 1, /*[0x0A]*/
- "write [|]file [nbytes]",
- },
- { "seek", cmdseek, 1, /*[0x0B]*/
- "seek offset [whence]",
- },
- { "filemark", cmdfilemark, 1, /*[0x10]*/
- "filemark [howmany]",
- },
- { "space", cmdspace, 1, /*[0x11]*/
- "space [-f] [-b] [[--] howmany]",
- },
- { "inquiry", cmdinquiry, 1, /*[0x12]*/
- "inquiry",
- },
- { "modeselect6",cmdmodeselect6, 1, /*[0x15] */
- "modeselect6 bytes...",
- },
- { "modeselect", cmdmodeselect10, 1, /*[0x55] */
- "modeselect bytes...",
- },
- { "modesense6", cmdmodesense6, 1, /*[0x1A]*/
- "modesense6 [page [nbytes]]",
- },
- { "modesense", cmdmodesense10, 1, /*[0x5A]*/
- "modesense [page [nbytes]]",
- },
- { "start", cmdstart, 1, /*[0x1B]*/
- "start [code]",
- },
- { "stop", cmdstop, 1, /*[0x1B]*/
- "stop",
- },
- { "eject", cmdeject, 1, /*[0x1B]*/
- "eject",
- },
- { "ingest", cmdingest, 1, /*[0x1B]*/
- "ingest",
- },
- { "capacity", cmdcapacity, 1, /*[0x25]*/
- "capacity",
- },
- { "blank", cmdblank, 1, /*[0xA1]*/
- "blank [track/LBA [type]]",
- },
- // { "synccache", cmdsynccache, 1, /*[0x35]*/
- // "synccache",
- // },
- { "rtoc", cmdrtoc, 1, /*[0x43]*/
- "rtoc [track/session-number [format]]",
- },
- { "rdiscinfo", cmdrdiscinfo, 1, /*[0x51]*/
- "rdiscinfo",
- },
- { "rtrackinfo", cmdrtrackinfo, 1, /*[0x52]*/
- "rtrackinfo [track]",
- },
- { "cdpause", cmdcdpause, 1, /*[0x4B]*/
- "cdpause",
- },
- { "cdresume", cmdcdresume, 1, /*[0x4B]*/
- "cdresume",
- },
- { "cdstop", cmdcdstop, 1, /*[0x4E]*/
- "cdstop",
- },
- { "cdplay", cmdcdplay, 1, /*[0xA5]*/
- "cdplay [track-number] or [-r [LBA [length]]]",
- },
- { "cdload", cmdcdload, 1, /*[0xA6*/
- "cdload [slot]",
- },
- { "cdunload", cmdcdunload, 1, /*[0xA6]*/
- "cdunload [slot]",
- },
- { "cdstatus", cmdcdstatus, 1, /*[0xBD]*/
- "cdstatus",
- },
- // { "getconf", cmdgetconf, 1, /*[0x46]*/
- // "getconf",
- // },
- // { "fwaddr", cmdfwaddr, 1, /*[0xE2]*/
- // "fwaddr [track [mode [npa]]]",
- // },
- // { "treserve", cmdtreserve, 1, /*[0xE4]*/
- // "treserve nbytes",
- // },
- // { "trackinfo", cmdtrackinfo, 1, /*[0xE5]*/
- // "trackinfo [track]",
- // },
- // { "wtrack", cmdwtrack, 1, /*[0xE6]*/
- // "wtrack [|]file [nbytes [track [mode]]]",
- // },
- // { "load", cmdload, 1, /*[0xE7]*/
- // "load",
- // },
- // { "unload", cmdunload, 1, /*[0xE7]*/
- // "unload",
- // },
- // { "fixation", cmdfixation, 1, /*[0xE9]*/
- // "fixation [toc-type]",
- // },
- { "einit", cmdeinit, 1, /*[0x07]*/
- "einit",
- },
- { "estatus", cmdestatus, 1, /*[0xB8]*/
- "estatus",
- },
- { "mmove", cmdmmove, 1, /*[0xA5]*/
- "mmove transport source destination [invert]",
- },
- { "help", cmdhelp, 0,
- "help",
- },
- { "probe", cmdprobe, 0,
- "probe",
- },
- { "close", cmdclose, 1,
- "close",
- },
- { "open", cmdopen, 0,
- "open [-r] sddev",
- },
- { 0, 0 },
- };
- #define SEP(c) (((c)==' ')||((c)=='\t')||((c)=='\n'))
- static char *
- tokenise(char *s, char **start, char **end)
- {
- char *to;
- Rune r;
- int n;
- while(*s && SEP(*s)) /* skip leading white space */
- s++;
- to = *start = s;
- while(*s){
- n = chartorune(&r, s);
- if(SEP(r)){
- if(to != *start) /* we have data */
- break;
- s += n; /* null string - keep looking */
- while(*s && SEP(*s))
- s++;
- to = *start = s;
- }
- else if(r == '\''){
- s += n; /* skip leading quote */
- while(*s){
- n = chartorune(&r, s);
- if(r == '\''){
- if(s[1] != '\'')
- break;
- s++; /* embedded quote */
- }
- while (n--)
- *to++ = *s++;
- }
- if(!*s) /* no trailing quote */
- break;
- s++; /* skip trailing quote */
- }
- else {
- while(n--)
- *to++ = *s++;
- }
- }
- *end = to;
- return s;
- }
- static int
- parse(char *s, char *fields[], int nfields)
- {
- int c, argc;
- char *start, *end;
- argc = 0;
- c = *s;
- while(c){
- s = tokenise(s, &start, &end);
- c = *s++;
- if(*start == 0)
- break;
- if(argc >= nfields-1)
- return -1;
- *end = 0;
- fields[argc++] = start;
- }
- fields[argc] = 0;
- return argc;
- }
- static void
- usage(void)
- {
- fprint(2, "%s: usage: %s [-q] [-m maxiosize] [/dev/sdXX]\n", argv0, argv0);
- exits("usage");
- }
- static struct {
- int status;
- char* description;
- } description[] = {
- STnomem, "buffer allocation failed",
- STtimeout, "bus timeout",
- STharderr, "controller error of some kind",
- STok, "good",
- STcheck, "check condition",
- STcondmet, "condition met/good",
- STbusy, "busy ",
- STintok, "intermediate/good",
- STintcondmet, "intermediate/condition met/good",
- STresconf, "reservation conflict",
- STterminated, "command terminated",
- STqfull, "queue full",
- Status_SD, "sense-data available",
- Status_SW, "internal software error",
- Status_BADARG, "bad argument to request",
- 0, 0,
- };
- void
- main(int argc, char *argv[])
- {
- ScsiReq target;
- char *ap, *av[256];
- int ac, i;
- ScsiCmd *cp;
- long status;
- ARGBEGIN {
- case 'q':
- verbose = 0;
- break;
- case 'm':
- ap = ARGF();
- if(ap == nil)
- usage();
- maxiosize = atol(ap);
- if(maxiosize < 512 || maxiosize > MaxIOsize)
- usage();
- break;
- default:
- usage();
- } ARGEND
- if(Binit(&bin, 0, OREAD) == Beof || Binit(&bout, 1, OWRITE) == Beof){
- fprint(2, "%s: can't init bio: %r\n", argv0);
- exits("Binit");
- }
- memset(&target, 0, sizeof(target));
- if(argc && cmdopen(&target, argc, argv) == -1) {
- fprint(2, "open failed\n");
- usage();
- }
- Bflush(&bout);
- while(ap = Brdline(&bin, '\n')){
- ap[Blinelen(&bin)-1] = 0;
- switch(ac = parse(ap, av, nelem(av))){
- default:
- for(cp = scsicmd; cp->name; cp++){
- if(strcmp(cp->name, av[0]) == 0)
- break;
- }
- if(cp->name == 0){
- Bprint(&bout, "eh?\n");
- break;
- }
- if((target.flags & Fopen) == 0 && cp->open){
- Bprint(&bout, "no current target\n");
- break;
- }
- if((status = (*cp->f)(&target, ac-1, &av[1])) != -1){
- if(verbose)
- Bprint(&bout, "ok %ld\n", status);
- break;
- }
- for(i = 0; description[i].description; i++){
- if(target.status != description[i].status)
- continue;
- if(target.status == Status_SD)
- makesense(&target);
- else
- Bprint(&bout, "%s\n", description[i].description);
- break;
- }
- break;
- case -1:
- Bprint(&bout, "eh?\n");
- break;
- case 0:
- break;
- }
- Bflush(&bout);
- }
- exits(0);
- }
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